Prosecutors say Pecker's actions helped Trump deceive voters in the 2016 election
The last two tests on samples from the Naogaon-2 MP came back negative, the latest of which was made available on Saturday, his aide Nurul Absar said.
The chairman of the parliamentary standing committee on power, energy and mineral resources, Shahiduzzman, has been in isolation at his NAM Bhaban flat.
The 65-year-old former whip also has diabetes.